.index{height: 70px;width: 600px;border: 1px solid black;background-color:rgb(172, 166, 166);}
.d{height: 300px;width: 600px;border: 1px solid black;}
#wz{font-size: 72px;text-align: center;}
.t{margin-top: 5px;}
#L{background-color:brown;width: 200px;font-size: 20px;height: 50px;padding-top: 20px;color: aliceblue;}